package com.itheima.type;

public class TypeDemo2 {
    public static void main(String[] args) {
        System.out.println(calc(10,20,30,'a'));

    }
    public static  double  calc(int a, int b,double  c,char r) {
       return a+b+c+r;
    }
    public static int calc2(byte a, byte b) {
        return a+b;
    }
}
